Answer / Anil Tomar

The method to keep noises low in a control system involves implementing various techniques such as: Filtering, Feedback Control, and Noise Cancellation. Filtering removes unwanted frequencies from signals, Feedback Control uses the output of the system to adjust its input, and Noise Cancellation generates an opposing signal that eliminates noise.nFiltering can be further divided into passive filtering (using components like resistors, capacitors, and inductors) and active filtering (using operational amplifiers). Feedback control is used when the system's response must match a specific desired response, and Noise Cancellation involves generating an opposing signal that eliminates noise by subtracting it from the original signal.

Ceiling fan motor wiring Hi, I have 2 ceiling fans broken. The receiver/control units burned out due to lightening. One Harbor Breeze and one Hunter's I took them apart (remove receiver units). Now on both of the motor I see 4 wires coming out from each motor I really want to know the function of each wire. Are there anyway I can test to see which is which? After searching forums I know these 4 wires are from 2 sets of coils inside the motor, one is Start winding and the other is Runing winding I could not find the receiver/control unit any where, so I am planing to buy Capacitors and universal remote controls to make the fans run again. Anyone has any idea how to do the wiring, please help Thnks

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